Bernoulli's Theorem
Product Code : LSK-FM-10454
Bernoulli's Theorem apparatus (SKU LSK-FM-10454) is a horizontal Venturi tube with many pressure tappings to water manometers, so students can study the full pressure distribution along a convergent-divergent passage and compare it with Bernoulli's equation. It stands on the Digital Hydraulic Bench in engineering fluid mechanics labs. Its Venturi, manometer panel and base are manufactured by Science Lab Supplies at Plot 448, HSIIDC Industrial Area, Saha, Ambala, India, and can be quoted straight to colleges, polytechnics, tender contractors and distributors.
Specifications
The Bernoulli apparatus table lists its Venturi, panel and controls one item per row. In summary, a meter typical of industrial Venturis but with far more tappings feeds water manometers on a vertical panel with a scale behind the tubes, a manifold air valve sets the datum, and a downstream valve controls flow without upstream turbulence.
| Specification | Value |
|---|---|
| SKU | LSK-FM-10454 |
| Test section | Horizontal Venturi tube (convergent-divergent passage) |
| Pressure tappings | Many, along the passage, each to a water manometer |
| Manometer panel | Holds the manometer tubes vertically |
| Scale | Behind the manometer tubes, for direct water-level readings |
| Manifold | Common, above the tubes, with air pressure-control valve |
| Flow control | Downstream flow-control valve |
| Base | Adjustable feet |
| Datum adjustment | Hand-pump (included), connected to the manifold air valve |
| Materials | Plastic materials and corrosion-resistant finishes throughout |
| Water supply | Digital Hydraulic Bench, flow rate measured by the bench (separate item) |
| Mounting | Stands on the hydraulic bench worktop |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the Bernoulli's Theorem Apparatus
The apparatus demonstrates how pressure head changes with cross-section along a Venturi at steady flow, and lets students compare the ideal pressure distribution with the measured one. Because the bench measures the flow rate, the meter coefficients can also be found over a range of flows in fluid mechanics lab experiments.
- B.E./B.Tech civil, mechanical and chemical: verification of Bernoulli's theorem; a self-contained version with its own tanks and pump is the Bernoullis Theorem Complete with Collecting Tank.
- Coefficient of discharge of a Venturi meter at several flow rates, reducing the flow in increments.
- Ideal versus measured pressure distribution along the passage, then a series comparison of Venturi, variable area and orifice meters on the Flow Meter Demonstration.
- Polytechnic diploma: continuity and energy equations in practice.
Standard Scope of Supply
Each set includes the horizontal Venturi tube, the downstream flow-control valve, the manometer panel with tubes, scale and air-valve manifold, the base with adjustable feet, and a hand-pump for adjusting the manometer datum. The Digital Hydraulic Bench it stands on is a separate product.
Packing, MOQ and Lead Time
Whether you need one apparatus or a set for every hydraulic bench in the lab, the quotation gives packing, delivery time and price for that number. Benches and other engineering lab equipment in India from our fluid mechanics range can be quoted in the same document.
Science Lab Supplies has an Importer-Exporter Code as a registered exporter, so it can ship to buyers in Tanzania, Uganda, the UAE, Saudi Arabia, Oman and the Philippines. List the apparatus and any benches you need in a message from the contact page, collect them in the enquiry cart, or refer to the lab tender page when a formal bid is involved.
Frequently Asked Questions
Why is the flow-control valve downstream?
Placing the valve after the Venturi means it causes no upstream turbulence, so the pressure readings along the passage reflect the Venturi itself rather than disturbance from the valve.
What results do students calculate?
They compare ideal and measured pressure distributions, and use the bench flow rate with the upstream and throat heads to calculate the coefficient of discharge of the meter.
Is Science Lab Supplies the manufacturer or a trader?
The Venturi test section, manometer panel and base of this apparatus are made in Science Lab Supplies' factory in Saha, Ambala, India, and the quotation you receive is issued by that same maker.
How is the manometer datum adjusted?
The included hand-pump connects to the air valve on the common manifold above the manometer tubes. Changing the air pressure there moves all the water levels together to a convenient part of the scale before readings start.
Related Bernoulli, Venturi and Jet Equipment
The bench below supplies and measures the water for this apparatus, and the other items apply the energy and momentum equations in different ways: a Venturi meter module, a cavitation rig with its own pump, a pipe-friction panel, and orifice and jet apparatus. Any of them can join one quotation.
- Digital Hydraulic Bench — electronic flowmeter with a digital flow display and a hand-operated control valve.
- Venturi Flowmeter — Venturi module for the base unit of the Flow Meter Calibration apparatus.
- Cavitation in a Venturi — mobile unit with its own pump, tank, flow meter and thermometer.
- Fluid Friction Apparatus — applies the steady flow energy equation across three pipe circuits.
- Flow Through an Orifice — a sharp blade measures jet diameter for the contraction coefficient.
- Jet Trajectory and Orifice Flow — four interchangeable nozzles and a plotting board for jet trajectories.
- Impact of a Jet — jet force on a flat plate or hemispherical cup against momentum flow rate.
Browse the full Fluid Mechanics range, the Training Workshop Labs range, or all engineering laboratory equipment.
Last updated: 22 October 2026
